6=4e-10r

Solution for 6=4e-10r equation:

Simplifying
6 = 4e + -10r

Solving
6 = 4e + -10r

Solving for variable 'e'.

Move all terms containing e to the left, all other terms to the right.

Add '-4e' to each side of the equation.
6 + -4e = 4e + -4e + -10r

Combine like terms: 4e + -4e = 0
6 + -4e = 0 + -10r
6 + -4e = -10r

Add '-6' to each side of the equation.
6 + -6 + -4e = -6 + -10r

Combine like terms: 6 + -6 = 0
0 + -4e = -6 + -10r
-4e = -6 + -10r

Divide each side by '-4'.
e = 1.5 + 2.5r

Simplifying
e = 1.5 + 2.5r